:root{color-scheme:light;--ink:#202622;--muted:#68716a;--line:#e2e6e1;--paper:#fff;--wash:#f6f7f3;--accent:#ffcf3d;--green:#17654f;--header:72px;--side:272px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--green);text-underline-offset:4px}
button{font:inherit;cursor:pointer}
button,a,input{ -webkit-tap-highlight-color:transparent }
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #bd8c00;outline-offset:5px}
[hidden]{display:none!important}
.site-header{height:var(--header);position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 36px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);font-size:23px;font-weight:900;line-height:1}
.brand strong{font-size:17px;font-weight:850;letter-spacing:.06em}
.brand-divider{height:18px;width:1px;background:#d8ddd6;margin:0 6px}
.brand-caption{font-size:14px;font-weight:600}
.header-actions{display:flex;align-items:center;gap:16px}
.manual-label{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
.manual-label>span{width:6px;height:6px;background:var(--green);border-radius:50%}
#menu-toggle{display:none;border:1px solid var(--line);border-radius:6px;background:white;padding:6px 12px;font-size:13px}
.manual-layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);max-width:1580px;margin:auto}
.sidebar{position:sticky;top:var(--header);height:calc(100dvh - var(--header));overflow-y:auto;background:var(--wash);border-right:1px solid var(--line);padding:40px 22px}
.sidebar-eyebrow{margin:0 12px 5px;font-size:10px;letter-spacing:.16em;font-weight:800;color:var(--muted)}
.sidebar>h2{margin:0 12px 30px;font-size:20px;font-weight:750;letter-spacing:-.02em}
.chapter-list{display:grid;gap:12px}
.chapter-link{display:flex;align-items:flex-start;gap:11px;padding:14px 10px;text-decoration:none;color:var(--ink);border-radius:8px;border:1px solid transparent;transition:background .15s}
.chapter-link:hover{background:#eeefe9}
.chapter-link.active{background:var(--accent);border-color:#efc13a}
.chapter-number{flex-shrink:0;display:grid;place-items:center;width:26px;height:26px;border:1px solid #d3d9d1;border-radius:50%;font-size:11px;font-weight:750;line-height:1;margin-top:2px;color:#697269}
.active .chapter-number{border-color:#756420;color:#3b3414}
.chapter-link strong{display:block;font-size:14px;font-weight:700;line-height:1.8}
.chapter-link small{display:block;color:var(--muted);font-size:11px;line-height:1.8;margin-top:3px}
.active small{color:#66551c}
.sidebar-note{margin:42px 12px 0;padding-top:24px;border-top:1px solid #dfe3da;font-size:12px;color:var(--muted)}
.sidebar-note strong{font-size:12px;color:#485247;font-weight:650}
.sidebar-note p{margin:10px 0 0;line-height:1.9}
main{min-width:0;width:100%;max-width:1120px;margin:0 auto;padding:30px 66px 0}
.breadcrumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:11px;letter-spacing:.03em;margin-bottom:40px}
.breadcrumbs span{color:#bec7bb}
.chapter-header{border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:24px}
.chapter-kicker{display:flex;align-items:center;gap:12px;font-weight:750;font-size:12px;color:var(--green);letter-spacing:.09em;margin-bottom:12px}
.chapter-kicker span{display:block;width:24px;height:2px;background:#cbd5c8}
h1{font-size:clamp(28px,3.1vw,42px);line-height:1.3;letter-spacing:-.04em;margin:0 0 18px;font-weight:800}
.chapter-header>p{max-width:820px;font-size:15px;color:#606b62;line-height:1.95;margin:0}
.contents{border:1px solid var(--line);border-radius:10px;margin:0 0 32px;background:#fbfcf9;padding:16px 20px}
.contents summary{cursor:pointer;font-size:13px;font-weight:750;list-style-position:inside}
.contents summary span{font-size:11px;font-weight:500;color:var(--muted);margin-left:6px}
.contents nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;margin-top:14px}
.contents a{text-decoration:none;color:#56634f;font-size:12px;line-height:1.7}
.contents a:hover{text-decoration:underline;color:#1b4b38}
.manual-content{padding-bottom:12px}
.manual-content p{margin:17px 0;overflow-wrap:break-word}
.manual-content strong{font-weight:700;color:#27342a}
.manual-content h2{display:flex;align-items:baseline;gap:9px;position:relative;border-top:1px solid var(--line);padding-top:34px;margin:44px 0 20px;font-size:23px;font-weight:750;line-height:1.5;letter-spacing:-.02em;scroll-margin-top:20px}
.manual-content h2:first-child{margin-top:0;border-top:0;padding-top:8px}
.manual-content h3{font-size:1.1em;line-height:1.6;margin:32px 0 12px;font-weight:750;color:#344c3b}
.download-link{display:inline-block;padding:12px 18px;background:#f4f6ee;border:1px solid #cbd7c3;border-radius:7px;font-size:14px;font-weight:650;text-decoration:none;line-height:1.8}
.download-link:hover{background:#edf1e4;border-color:#aabb9e}
.software-download{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:20px 22px;margin:0 0 24px;border:1px solid #e5d399;border-radius:10px;background:#fffaf0;scroll-margin-top:100px}
.software-download-info{min-width:0}
.software-download h2{margin:0 0 7px;font-size:20px;line-height:1.4;letter-spacing:-.02em}
.community-label{display:inline-block;padding:2px 9px;border:1px solid #e3c76a;border-radius:5px;background:#ffefb5;color:#6a5018;font-size:12px;font-weight:750;line-height:1.8}
.software-download p{margin:9px 0 0;color:#737464;font-size:12px;line-height:1.6}
.software-download-button{flex-shrink:0;padding:12px 19px;border:1px solid #d9ad1e;border-radius:7px;background:var(--accent);color:#302a16;text-align:center;text-decoration:none;font-size:14px;font-weight:750;line-height:1.8}
.software-download-button:hover{background:#f5c42c;border-color:#bc9212}
@media(max-width:600px){.software-download{display:block;padding:18px}.software-download h2{font-size:19px}.software-download-button{display:block;width:100%;margin-top:16px}}
.heading-anchor{color:#a3afa0;text-decoration:none;font-size:17px;opacity:0}
h2:hover .heading-anchor,.heading-anchor:focus-visible{opacity:1}
.manual-content ul,.manual-content ol{padding-left:25px;margin:20px 0}
.manual-content li{padding-left:5px;margin:12px 0}
.manual-content li::marker{color:#6c7d65;font-weight:650}
.manual-content blockquote{margin:24px 0;border-left:3px solid #d6af31;background:#fff9e5;padding:14px 19px;border-radius:0 6px 6px 0;font-size:14px;color:#6a5c30}
.manual-content blockquote p{margin:0;line-height:1.9}
.manual-content blockquote strong{color:#534a2c}
.manual-figure{margin:24px 0 30px}
.image-link{display:block;position:relative;border:1px solid #dce2db;border-radius:9px;background:#101a1a;overflow:hidden;cursor:zoom-in;line-height:0}
.image-link img{display:block;width:100%;height:auto;margin:0}
.manual-figure.photo .image-link{background:#eef0ec}
.manual-figure.photo img{width:100%;max-height:520px;object-fit:contain}
.calibration-reference{max-width:554px;margin:24px auto}
.calibration-reference .manual-figure{margin:0}
.pose-reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0 30px}
.pose-reference-grid .manual-figure{margin:0}
.pose-reference-grid .image-link{background:#f2f3f5;padding:16px}
.pose-reference-grid img{width:auto;max-width:100%;height:auto;margin:0 auto}
#calibration-with-stand,#calibration-without-stand{scroll-margin-top:110px}
@media(max-width:600px){.pose-reference-grid{grid-template-columns:1fr;gap:24px}}
.zoom-hint{position:absolute;bottom:10px;right:10px;background:#fffef4e8;border:1px solid #ffffff55;border-radius:4px;color:#344738;font-size:10px;font-weight:650;line-height:1.5;padding:5px 9px;opacity:0;transition:opacity .15s}
.image-link:hover .zoom-hint,.image-link:focus-visible .zoom-hint{opacity:1}
figcaption{font-size:12px;line-height:1.7;color:#7b8579;margin:10px 2px 0;text-align:center}
code{font-family:"Cascadia Code",Consolas,"Microsoft YaHei",monospace;font-size:.88em;background:#eef1ea;padding:3px 6px;border-radius:4px;overflow-wrap:anywhere}
.command{margin:22px 0;border-radius:9px;overflow:hidden;background:#17221d;border:1px solid #253a2d}
.command-label{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#24332a;padding:9px 14px;color:#c2cec3;font-size:11px}
.copy-command{color:#f0f5ed;font-size:11px;border:1px solid #52634d;background:#324330;border-radius:4px;padding:4px 10px;min-height:30px;flex-shrink:0}
.copy-command:hover{background:#476243}
.command pre{margin:0;padding:22px;overflow-x:auto;line-height:1.7;color:#eff4d9;font-size:15px}
.command code{background:none;border-radius:0;padding:0;font-size:inherit;white-space:pre;overflow-wrap:normal}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:22px 0}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:var(--wash);font-weight:700;text-align:left;color:#4b5c43}
td,th{padding:12px 15px;border-bottom:1px solid var(--line);min-width:80px}
tr:last-child td{border-bottom:0}
.page-navigation{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:28px 0;margin-top:24px;border-top:1px solid var(--line)}
.page-navigation a{display:flex;flex-direction:column;gap:4px;padding:17px 20px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink)}
.page-navigation a:hover{border-color:#b7c3ad;background:var(--wash)}
.page-navigation .next{text-align:right}
.page-navigation .next{background:#fcf5d7;border-color:#eddd9c}
.page-navigation small{font-size:11px;color:var(--muted)}
.page-navigation strong{font-size:14px;font-weight:650}
.page-navigation .complete{background:#eef6ed;border-color:#c7ddc2;color:#205239}
.page-footer{display:flex;gap:12px;align-items:center;padding:24px 0 28px;color:#90998d;border-top:1px solid var(--line);font-size:10px;line-height:1.8}
.page-footer strong{font-size:10px;letter-spacing:.05em;color:#697664}
.page-footer a{margin-left:auto;color:#6d7d66;text-decoration:none;white-space:nowrap}
dialog{padding:0;border:1px solid #526054;border-radius:12px;background:#15201b;color:#fff;width:min(1600px,96vw);max-width:96vw;max-height:94dvh;box-shadow:0 20px 100px #0009}
dialog::backdrop{background:#101b16dd;backdrop-filter:blur(4px)}
.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;font-size:12px;border-bottom:1px solid #3a463d}
#original-image{margin-left:auto;color:#d7e6cf;text-decoration:none;font-size:12px}
#close-image{background:#334136;border:1px solid #6b7c69;color:#fff;border-radius:6px;padding:5px 14px;font-size:13px;min-height:36px}
.dialog-scroll{overflow:auto;max-height:calc(94dvh - 130px);text-align:center;padding:8px}
.dialog-scroll img{display:block;max-width:100%;height:auto;max-height:calc(94dvh - 150px);object-fit:contain;margin:auto}
#image-caption{font-size:12px;color:#c3cec2;text-align:center;padding:10px 20px;margin:0;line-height:1.7}
body.dialog-open{overflow:hidden}
.skip-link{position:fixed;top:-90px;left:20px;z-index:99;background:var(--accent);color:#111;padding:8px 16px}
.skip-link:focus{top:10px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1580px){.manual-layout{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
@media(max-width:1180px){:root{--side:248px}main{padding:28px 38px 0}.site-header{padding:0 28px}.sidebar{padding:35px 15px}.chapter-link strong{font-size:13px}.contents nav{column-gap:18px}}
@media(max-width:850px){:root{--header:64px}.site-header{padding:0 20px}.manual-layout{display:block}.sidebar{display:none;position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:24px}.sidebar.is-open{display:block}.sidebar>h2{margin-bottom:18px}.chapter-list{grid-template-columns:1fr 1fr}.sidebar-note{display:none}#menu-toggle{display:block}main{max-width:840px;padding:25px 28px 0}.breadcrumbs{margin-bottom:28px}.chapter-header{padding-bottom:22px}h1{font-size:34px}.manual-content h2{font-size:22px}.brand-caption{font-size:12px}}
@media(max-width:520px){body{font-size:14px;line-height:1.9}.site-header{padding:0 16px}.brand{gap:8px}.brand strong{font-size:14px}.brand-icon{width:29px;height:29px;font-size:20px;border-radius:7px}.brand-divider,.brand-caption,.manual-label{display:none}#menu-toggle{font-size:12px;min-height:36px;padding:5px 10px}main{padding:22px 18px 0}.sidebar{padding:20px 14px}.chapter-list{grid-template-columns:1fr;gap:7px}.chapter-link{padding:10px 12px}.chapter-link strong{font-size:14px}.chapter-link small{font-size:11px}.breadcrumbs{font-size:10px;gap:8px;margin-bottom:27px}.chapter-kicker{font-size:10px;margin-bottom:10px}h1{font-size:29px;margin-bottom:14px}.chapter-header>p{font-size:13px;line-height:1.95}.contents{padding:14px 16px;margin-bottom:26px}.contents nav{grid-template-columns:1fr;gap:8px}.contents a{font-size:12px}.manual-content h2{font-size:20px;padding-top:28px;margin-top:32px}.manual-content blockquote{padding:12px 14px;font-size:12px}.manual-figure{margin:20px 0 25px}.image-link{border-radius:6px}.zoom-hint{opacity:1;font-size:9px;padding:3px 6px;bottom:6px;right:6px}figcaption{font-size:11px}.manual-figure.photo img{max-height:370px}.command pre{font-size:12px;padding:17px 14px}.command-label{padding:8px 11px;font-size:10px}.copy-command{font-size:10px}.page-navigation{gap:10px}.page-navigation a{padding:14px 12px}.page-navigation strong{font-size:12px}.page-navigation small{font-size:10px}.page-footer{gap:8px;flex-wrap:wrap;font-size:9px}.page-footer strong{font-size:9px}.page-footer span{max-width:155px}.page-footer a{font-size:10px}td,th{padding:10px;font-size:12px}dialog{width:96vw;border-radius:8px}#image-caption{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.sidebar,.breadcrumbs,.contents,.page-navigation,.page-footer,.zoom-hint,.heading-anchor,.copy-command,dialog{display:none!important}.manual-layout{display:block}main{max-width:none;padding:0}.chapter-header{margin-bottom:20px}.chapter-header h1{font-size:26px}.manual-content h2{break-after:avoid;margin-top:26px}.manual-content blockquote,.manual-figure,.command{break-inside:avoid}.manual-content{font-size:11pt}.image-link{border:1px solid #ddd}.manual-figure.photo img{max-height:340px}.command,.command-label{background:#f0f0ed;color:#111}.command pre{color:#111;font-size:10pt;white-space:pre-wrap}.command code{white-space:pre-wrap;overflow-wrap:anywhere}.manual-figure img{max-height:430px;object-fit:contain}a{color:inherit}}